docs: update authd availability for Ubuntu 26.04 LTS archive

SECURITY.md

@@ -2,10 +2,17 @@
 
 ## Supported Versions
 
-`authd` is currently released to a PPA. There are two PPAs, [stable](https://launchpad.net/~ubuntu-enterprise-desktop/+archive/ubuntu/authd) and [edge](https://launchpad.net/~ubuntu-enterprise-desktop/+archive/ubuntu/authd-edge)
-We provide security updates for the following versions of `authd`. Please ensure you are using a supported version to receive updates and patches.
+We provide security updates for the latest version of `authd` on each supported Ubuntu LTS release.
 
-If you are unsure of your version, please run the following command in a terminal and check which PPA `authd` is installed from:
+**Ubuntu 26.04 LTS and later**: `authd` is available directly from the Ubuntu archive.
+
+**Ubuntu 24.04 LTS and earlier supported LTS releases**: `authd` is not in the Ubuntu archive and must be installed using the stable PPA.
+
+See [Install authd](https://documentation.ubuntu.com/authd/stable-docs/howto/install-authd/) for installation instructions.
+
+An [edge PPA](https://launchpad.net/~ubuntu-enterprise-desktop/+archive/ubuntu/authd-edge) provides the latest development builds, but is not recommended for production use and does not receive security support.
+
+If you are unsure of your version, please run the following command in a terminal to check which channel `authd` is installed from:
 
 ```shell
 apt policy authd

docs/howto/install-authd.md

@@ -15,26 +15,24 @@ authd is delivered as a Debian package for Ubuntu Desktop and Ubuntu Server.
 
 ## System requirements
 
-* Distribution: Ubuntu Desktop 24.04 LTS or Ubuntu Server 24.04 LTS
+* Ubuntu: Desktop or Server editions
+* Release: 24.04 LTS or later
 * Architectures: amd64, arm64
 
 ## Install authd
 
-You can install authd from the [stable PPA](https://launchpad.net/~ubuntu-enterprise-desktop/+archive/ubuntu/authd).
+On Ubuntu 26.04 LTS, `authd` is available directly from the Ubuntu archive.
 
-To add this PPA to your system's software sources, run the following command:
+:::{admonition} Add PPA before installing on Ubuntu 24.04
+:class: note
+On Ubuntu 24.04 LTS, `authd` must be installed from the [stable PPA](https://launchpad.net/~ubuntu-enterprise-desktop/+archive/ubuntu/authd). Add the PPA before proceeding:
 
 ```shell
 sudo add-apt-repository ppa:ubuntu-enterprise-desktop/authd
 ```
+:::
 
-```{note}
-The stable PPA release of authd can be used today as an authentication service.
-This project is under active development and the release of authd to the
-official archive is planned for Ubuntu 26.04 LTS.
-```
-
-Then install authd and any additional Debian packages needed for your system of
+Install authd and any additional Debian packages needed for your system of
 choice:
 
 :::::{tab-set}

docs/reference/cloud-init-deploy.md

@@ -36,17 +36,24 @@ Define the necessary environmental variables:
 
 ## Install authd
 
-Add the authd PPA to the system's software sources and install authd:
+`authd` is available directly from the Ubuntu archive:
+
+```yaml
+packages:
+  - authd
+```
+
+:::{admonition} Add PPA before installing on Ubuntu 24.04
+:class: note
+On Ubuntu 24.04 LTS, `authd` must be installed from the stable PPA. Add the following to your cloud config, before the `packages` block:
 
 ```yaml
 apt:
   sources:
       source1:
           source: 'ppa:ubuntu-enterprise-desktop/authd'
-
-packages:
-  - authd
 ```
+:::
 
 ## Install broker
 

docs/reference/landscape-deploy.md

@@ -32,7 +32,16 @@ CLIENT_ID=<CLIENT_ID>
 
 ## Installation
 
-Install the authd deb and the broker snap:
+For Ubuntu 26.04 LTS, install the authd deb and the broker snap from the archive:
+
+:::{admonition} Add PPA before installing on Ubuntu 24.04
+:class: note
+On Ubuntu 24.04 LTS, add the following line at the start of your script, before `apt-get install authd`, to add the stable PPA:
+
+```shell
+add-apt-repository -y ppa:ubuntu-enterprise-desktop/authd
+```
+:::
 
 :::::{tab-set}
 :sync-group: broker
@@ -41,7 +50,6 @@ Install the authd deb and the broker snap:
 :sync: google
 
 ```shell
-add-apt-repository -y ppa:ubuntu-enterprise-desktop/authd
 apt-get upgrade -y
 apt-get install -y authd
 snap install authd-google
@@ -53,7 +61,6 @@ snap install authd-google
 :sync: msentraid
 
 ```shell
-add-apt-repository -y ppa:ubuntu-enterprise-desktop/authd
 apt-get upgrade -y
 apt-get install -y authd
 snap install authd-msentraid